trans·​am·​i·​nase tran(t)s-ˈa-mə-ˌnās How to pronounce transaminase (audio)
: an enzyme promoting transamination

called also aminotransferase

Examples of transaminase in a Sentence

Recent Examples on the Web Common side effects include abdominal pain, diarrhea, insomnia, back pain, hot flush and elevated hepatic transaminases, the agency says. Vanessa Etienne, Peoplemag, 15 May 2023 But diagnosis of hepatitis often comes only when blood tests reveal elevated levels of liver enzymes, such as aspartate transaminase or alanine aminotransaminase being greater than 500 IU/L. Bruce Y. Lee, Forbes, 26 Apr. 2022 This dog’s alanine transaminase level spiked to 8,777. Kim Campbell Thornton, sacbee, 14 Mar. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'transaminase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of transaminase was in 1940

Dictionary Entries Near transaminase

Cite this Entry

“Transaminase.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

Medical Definition


trans·​am·​i·​nase tran(t)s-ˈam-ə-ˌnās, tranz-, -ˌnāz How to pronounce transaminase (audio)
: an enzyme-promoting transamination

called also aminotransferase

More from Merriam-Webster on transaminase

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!